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Updated: Oct 2, 2025

Synthesis and Mass Spectrometry Analysis of Oligo-peptoids
Published on: February 21, 2018
Understanding OxymaPure as a Peptide Coupling Additive: A Guide to New Oxyma Derivatives
Srinivasa Rao Manne1, Anamika Sharma1,2,3, Andrius Sazonovas4
1Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Westville, Durban 4000, South Africa.
Abstract:
An in silico study, using the GALAS algorithm available in ACD/PhysChem Suite, was performed to calculate the pK a(s) of various oximes with potential application as peptide coupling additives. Among the known oximes and predicted structures, OxymaPure is superior based on the pK a values calculated, confirming the results described in the literature and validating this algorithm for further use in that field. Among the nondescribed oximes, based on pK a calculation, ethyl 2-(hydroxyimino)-2-nitroacetate seems to be a potential candidate to be used as an additive during peptide coupling.
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